Essays on Radiation
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Essay Examples
Harmful Effects of Cell Phone Use
Cell Phones
Mobile Phones
Radiation
Cellular phones are widely used all over the world and it was first made available in the United States in the 1990s. Since then, their use has dramatically increased and the amount of time people spend on their phones, both adults and children, had gone higher. Cell phones emit radiofrequency waves which is a form…
Abstract on Lasers and Its Applications
Electronics
Light
Radiation
Abstract: A laser is an optical device that emits coherent light (electromagnetic radiation). The term ‘laser’ is an acronym for Light Amplification by Stimulated Emission of Radiation. Typically, lasers are thought of as emitting light in a narrow, low-divergence beam, with a narrow wavelength spectrum (‘monochromatic’ light). Lasers need not have either characteristic, however, it…
Why Do I Want to Study Radiation Therapy?
Radiation
Therapy
For me radiation therapy is the treatment of cancers with electromagnetic waves, and radiation therapists would be utilizing devices to administer this radiation at the site of cancer in order to destroy cancerous cells. A radiation therapist would perform the activities concerned with the administration of radiation therapy on the patient, which would be performed…
Cobalt-60 and Food Irradiation
Food
Radiation
Cobalt-60 and Food Irradiation Introduction Is food preservation through radioactive materials possible? How can this technology prolong the freshness of foods? Will there be a possibility that the irradiated food products be radioactive? What are advantages and disadvantages of this technology? Food irradiation technology is used to control spoilage and to eliminate disease-causing bacteria in…
Antenna and Wave Propagation
Electrical engineering
Electromagnetism
Electronic Engineering
Electronics
Radiation
Radio
Wireless
MEENAKSHI SUNDARARAJAN ENGINEERING COLLEGE DEPARTMENT OF ECE EC2353-ANTENNAS AND WAVE PROPAGATION QUESTION BANK UNIT – I PART – A 1. What is retarded current? 2. Define hertzian dipole. 3. Define antenna gain. 4. What are the two types of radiation pattern? 5. State reciprocity principle. 6. Define antenna temperature. PART – B 1. Derive the…
Combined Convection and Radiation Experiments
Radiation
Abstract The purpose of this report is to present experimental data that demonstrate the relationship between air velocity and surface temperature for a cylinder subjected to forced convection. This experiment will also determine the effects of forced convection on heat transfer from the surface of a cylinder at varying air velocities and surface temperatures. The…
When Radiation Therapy Kills
Radiation
Therapy
Case Study Chapter 5 When Radiation Therapy Kills 1. What concept in this chapter are illustrated in this case? What ethical issues are raised by radiation technology? There are three basic concept that can be apply in ethics in an information society. The concept that illustrated in this case is accountability. Accountability can be define…
Absorbance and Spectrometry
Chemistry
Radiation
Scientific method
Abstract This report investigates the absorbance of methylene blue and carmine red using a spectrophotometer to determine the absorption spectra of both solutions. The concentration of the unknown solution of methylene blue was found to be 1. 07 x 10-5 M by using the molar extinction coefficient, with absorption of 0. 547. It was also…
Blue Sky, Red Sunset, White Clouds Sample
Chemistry
Radiation
Vision
Not all colourss are the consequence of minus and add-on of visible radiation. Some colourss like the blue sky consequence from the selective sprinkling of the colourss of visible radiation by atoms in the ambiance. The colour scattered by the atoms depends on the size of the atoms themselves. BLUE SKYViolet is scattered more than…
Fiber Optics Research Paper
Electronics
Physics
Radiation
Fiber Optics Research Paper Fiber optics is a branch of optics concerning the transmission of light by means of optical fibers, which are thin strands of glass or other optically transparent materials. Optical fibers can be used to guide light–which is electromagnetic radiation in a certain frequency range–in much the same way that metal wave…
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